28404516

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 79206400

約数和(自身を除く): 50801884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 103, 134, 147, 196, 201, 206, 268, 294, 309, 343, 402, 412, 469, 588, 618, 686, 721, 804, 938, 1029, 1236, 1372, 1407, 1442, 1876, 2058, 2163, 2814, 2884, 3283, 4116, 4326, 5047, 5628, 6566, 6901, 8652, 9849, 10094, 13132, 13802, 15141, 19698, 20188, 20703, 22981, 27604, 30282, 35329, 39396, 41406, 45962, 48307, 60564, 68943, 70658, 82812, 91924, 96614, 105987, 137886, 141316, 144921, 193228, 211974, 275772, 289842, 338149, 423948, 579684, 676298, 1014447, 1352596, 2028894, 2367043, 4057788, 4734086, 7101129, 9468172, 14202258, 28404516]

約数ペア:

[(1, 28404516), (2, 14202258), (3, 9468172), (4, 7101129), (6, 4734086), (7, 4057788), (12, 2367043), (14, 2028894), (21, 1352596), (28, 1014447), (42, 676298), (49, 579684), (67, 423948), (84, 338149), (98, 289842), (103, 275772), (134, 211974), (147, 193228), (196, 144921), (201, 141316), (206, 137886), (268, 105987), (294, 96614), (309, 91924), (343, 82812), (402, 70658), (412, 68943), (469, 60564), (588, 48307), (618, 45962), (686, 41406), (721, 39396), (804, 35329), (938, 30282), (1029, 27604), (1236, 22981), (1372, 20703), (1407, 20188), (1442, 19698), (1876, 15141), (2058, 13802), (2163, 13132), (2814, 10094), (2884, 9849), (3283, 8652), (4116, 6901), (4326, 6566), (5047, 5628)]